Optical recording medium having a reflective recording layer inc

Details Optical recording medium having a reflective recording layer inc Optical recording medium having a reflective recording layer inc

1986-08-19

1988-01-12

Psitos, Aristotelis M.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

369275, 369288, 430495, 430945, G11B 724

Patent

active

047196130

ABSTRACT:
An optical recording medium comprising practically a naphthalocyanine dye represented by the following general formula (I): ##STR1## wherein M means a metal, metal oxide or metal halide, and --OR.sub.1, --OR.sub.2, --OR.sub.3 and --OR.sub.4 are the same or different and denote ether groups respectively having R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each of which is a saturated or unsaturated hydrocarbon group having 4-12 carbon atoms.

REFERENCES:
patent: 4364986 (1982-12-01), Zwanenburg et al.
patent: 4415621 (1983-11-01), Specht et al.
patent: 4492750 (1985-01-01), Law et al.
patent: 4529688 (1985-07-01), Law et al.
patent: 4622179 (1986-11-01), Eda

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